133033109 has 16 divisors (see below), whose sum is σ = 154192896. Its totient is φ = 113433600.

The previous prime is 133033097. The next prime is 133033181. The reversal of 133033109 is 901330331.

It is a cyclic number.

It is not a de Polignac number, because 133033109 - 2²⁰ = 131984533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133033189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61964 + ... + 64074.

It is an arithmetic number, because the mean of its divisors is an integer number (9637056).

Almost surely, 2^133033109 is an apocalyptic number.

It is an amenable number.

133033109 is a deficient number, since it is larger than the sum of its proper divisors (21159787).

133033109 is a wasteful number, since it uses less digits than its factorization.

133033109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2476.

The product of its (nonzero) digits is 729, while the sum is 23.

The square root of 133033109 is about 11533.9979625453. The cubic root of 133033109 is about 510.4892255417.

The spelling of 133033109 in words is "one hundred thirty-three million, thirty-three thousand, one hundred nine".